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| Started by | Johannes Weiner <hannes@cmpxchg.org> |
|---|---|
| First post | 2016-08-02 19:30 +0200 |
| Last post | 2016-08-02 19:30 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH v2 2/3] mm: memcontrol: fix memcg id ref counter on swap charge move Johannes Weiner <hannes@cmpxchg.org> - 2016-08-02 19:30 +0200
| From | Johannes Weiner <hannes@cmpxchg.org> |
|---|---|
| Date | 2016-08-02 19:30 +0200 |
| Subject | Re: [PATCH v2 2/3] mm: memcontrol: fix memcg id ref counter on swap charge move |
| Message-ID | <s1LFU-7yq-41@gated-at.bofh.it> |
On Tue, Aug 02, 2016 at 06:00:49PM +0300, Vladimir Davydov wrote:
> Since commit 73f576c04b941 swap entries do not pin memcg->css.refcnt
> directly. Instead, they pin memcg->id.ref. So we should adjust the
> reference counters accordingly when moving swap charges between cgroups.
>
> Fixes: 73f576c04b941 ("mm: memcontrol: fix cgroup creation failure after many small jobs")
> Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com>
> Acked-by: Michal Hocko <mhocko@suse.com>
> Cc: <stable@vger.kernel.org> [3.19+]
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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